Tap bolts, Zinc plated grade 8 steel yellow, 13, 3-1/2"
![Grade 8 tap bolt](images/catalog/hex-bolt-full-thread-grade8.gif)
Tap bolt diameter is measured on the outside of the threads.
Diameter and Thread count |
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See also |
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![]() Metric tap boltsA full thread bolt with a six sided head. |